Mental Math Worksheet
Recommended for 1st Grade — 5th Grade
Mental Math Worksheet
Name: ____________________Date: ____________
Instructions: Using mental strategies like making ten, doubling, and compensation to compute quickly.
20 problems
88 + 20 = ______
5 × 10 = ______
64 − 10 = ______
64 + 20 = ______
23 − 10 = ______
90 − 10 = ______
9 × 10 = ______
98 − 10 = ______
66 − 10 = ______
49 + 10 = ______
1 × 10 = ______
4 × 10 = ______
80 − 10 = ______
96 − 10 = ______
93 − 10 = ______
52 + 20 = ______
24 − 10 = ______
22 − 10 = ______
33 + 10 = ______
73 + 10 = ______
